X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=configure.ac;h=a57957edba8b7747e6dd593a58520ebf7f7d970d;hp=75456a0ad00902419313d7c1b7f8fa8909800572;hb=0c7e0210d900185d4c1a9ffd969dc2a26d9523a9;hpb=85d33e563a0e4ce5910c9ba3b34eba8fbb1cbd30

diff --git a/configure.ac b/configure.ac
index 75456a0a..a57957ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,12 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
-AC_INIT([tinc], [1.1pre9])
+AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
 AC_CONFIG_SRCDIR([src/tincd.c])
 AC_GNU_SOURCE
-AM_INIT_AUTOMAKE([check-news std-options subdir-objects -Wall])
+AM_INIT_AUTOMAKE([std-options subdir-objects -Wall])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
 
 # Enable GNU extensions.
 # Define this here, not in acconfig's @TOP@ section, since definitions
@@ -18,7 +19,6 @@ AC_PROG_CC_C99
 AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AC_PROG_RANLIB
 
 AM_PROG_CC_C_O
 
@@ -109,12 +109,23 @@ AC_ARG_ENABLE(tunemu,
 )
 
 AC_ARG_WITH(windows2000,
-  AS_HELP_STRING([--without-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
+  AS_HELP_STRING([--with-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
   [ AS_IF([test "x$with_windows2000" = "xyes"],
       [AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])])
   ]
 )
 
+AC_ARG_WITH(systemd,
+  AS_HELP_STRING([--with-systemd@<:@=DIR@:>@], [install systemd service files @<:@to DIR if specified@:>@]),
+  [ systemd=true; systemd_path="$with_systemd" ],
+  [ systemd=false ]
+)
+
+AS_IF([test "x$with_systemd" = "xyes"], [systemd_path="/lib/systemd/system"],
+      [AS_IF([test "x$with_systemd" = "xno"], [systemd=false])])
+
+AC_SUBST(systemd_path, $systemd_path)
+
 AM_CONDITIONAL(LINUX, test "$linux" = true)
 AM_CONDITIONAL(BSD, test "$bsd" = true)
 AM_CONDITIONAL(SOLARIS, test "$solaris" = true)
@@ -123,15 +134,35 @@ AM_CONDITIONAL(CYGWIN, test "$cygwin" = true)
 AM_CONDITIONAL(UML, test "$uml" = true)
 AM_CONDITIONAL(VDE, test "$vde" = true)
 AM_CONDITIONAL(TUNEMU, test "$tunemu" = true)
+AM_CONDITIONAL(WITH_SYSTEMD, test "$systemd" = true)
 
 AC_CACHE_SAVE
 
-if test -d /sw/include ; then
-  CPPFLAGS="$CPPFLAGS -I/sw/include"
-fi
-if test -d /sw/lib ; then
-  LIBS="$LIBS -L/sw/lib"
-fi
+AS_IF([test -d /sw/include], [CPPFLAGS="$CPPFLAGS -I/sw/include"])
+AS_IF([test -d /sw/lib], [LIBS="$LIBS -L/sw/lib"])
+
+dnl Compiler hardening flags
+dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
+
+AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
+AS_IF([test "x$enable_hardening" != "xno"],
+  [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
+   AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])
+   AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"])
+   case $host_os in
+     *mingw*)
+       AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
+       AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
+       ;;
+     *)
+       AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
+       AX_CHECK_LINK_FLAG([-pie], [LDFLAGS="$LDFLAGS -pie"])
+       ;;
+   esac
+   AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
+   AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
+  ]
+);
 
 dnl Checks for header files.
 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
@@ -139,13 +170,13 @@ dnl We do this in multiple stages, because unlike Linux all the other operating
 AC_HEADER_STDC
 AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/uio.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h])
 AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/tun/if_tun.h net/if_tap.h net/tap/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h time.h netpacket/packet.h],
-  [], [], [#include "src/have.h"]
+  [], [], [#include "$srcdir/src/have.h"]
 )
-AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
-  [], [], [#include "src/have.h"]
+AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h resolv.h],
+  [], [], [#include "$srcdir/src/have.h"]
 )
 AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
-  [], [], [#include "src/have.h"]
+  [], [], [#include "$srcdir/src/have.h"]
 )
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -160,13 +191,13 @@ tinc_ATTRIBUTE(__malloc__)
 tinc_ATTRIBUTE(__warn_unused_result__)
 
 AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp, struct in_addr, struct addrinfo, struct ip, struct icmp, struct in6_addr, struct sockaddr_in6, struct ip6_hdr, struct icmp6_hdr, struct nd_neighbor_solicit, struct nd_opt_hdr], , ,
-  [#include "src/have.h"]
+  [#include "$srcdir/src/have.h"]
 )
 
 dnl Checks for library functions.
 AC_TYPE_SIGNAL
 AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
-  [], [], [#include "src/have.h"]
+  [], [], [#include "$srcdir/src/have.h"]
 )
 
 dnl Support for SunOS
@@ -179,39 +210,51 @@ AC_CHECK_FUNC(gethostbyname, [], [
 ])
 
 AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
-  [], [], [#include "src/have.h"]
+  [], [], [#include "$srcdir/src/have.h"]
 )
 
+AC_CHECK_DECLS([res_init], [AC_CHECK_LIB(resolv, res_init)], [], [
+  #include <netinet/in.h>
+  #include <resolv.h>
+])
+
 AC_CACHE_SAVE
 
+AC_ARG_ENABLE(legacy-protocol,
+  AS_HELP_STRING([--disable-legacy-protocol], [disable support for the legacy (tinc 1.0) protocol]),
+  [ AS_IF([test "x$enable_legacy_protocol" = "xno"],
+    [ AC_DEFINE(DISABLE_LEGACY, 1, [Disable support for the legacy (tinc 1.0) protocol]) ])
+  ]
+)
+
 dnl These are defined in files in m4/
 
 dnl AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
+dnl AC_ARG_WITH(openssl, AC_HELP_STRING([--without-openssl], [disable support for OpenSSL])], [])
 
 tinc_CURSES
 tinc_READLINE
 tinc_ZLIB
 tinc_LZO
 
-if test "$with_libgcrypt" = yes; then
-	gcrypt=true
-	AM_PATH_LIBGCRYPT([1.4.0], [], [])
-else
-	openssl=true
-	tinc_OPENSSL
-fi
-	
+AS_IF([test "x$enable_legacy_protocol" != "xno"],
+      [AS_IF([test -n "$with_libgcrypt"],
+	     [gcrypt=true; tinc_LIBGCRYPT],
+	     [openssl=true; tinc_OPENSSL])
+      ]
+)
+
 AM_CONDITIONAL(OPENSSL, test -n "$openssl")
-AM_CONDITIONAL(GCRYPT, test "$gcrypt" = true)
+AM_CONDITIONAL(GCRYPT, test -n "$gcrypt")
 
-dnl Check if support for jumbograms is requested 
+dnl Check if support for jumbograms is requested
 AC_ARG_ENABLE(jumbograms,
-  AS_HELP_STRING([--disable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
+  AS_HELP_STRING([--enable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
   [ AS_IF([test "x$enable_jumbograms" = "xyes"],
       [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ])
   ]
 )
 
-AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile m4/Makefile gui/Makefile test/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile gui/Makefile test/Makefile systemd/Makefile])
 
 AC_OUTPUT